Mitsubishi Electric PURY-P200 Service Handbook Download Page 44 | Manualshive

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1

Total capacity of connectable indoor units: P140 or below (P250 or below when a junction pipe is used)

2

The number of connectable indoor units: 3 max.

3

Branch pipe: Use Type CMY-Y102S-G (option)

4

Selection of refrigerant piping (pipe size of the A and B in the figure above): Use the total capacity of the
downstream indoor units to determine the proper pipe size, using the table below as a reference.

Use an optional junction pipe kit and merge the 2
joints

Use the reducer that is supplied with the BC
controller

(1) BC controller (standard model) end connection piping size

[P200-P350 types]

Note: Use the flare nut provided with the BC controller

Liquid pipe side: 3/8F

(flare)

Gas pipe side: 5/8F

(flare)

Liquid pipe side: 3/8F

(flare)

Gas pipe side: 5/8F

(flare)

Provided with a thermal
insulation cover

Liquid pipe side:

ø

6.35 ID

Gas pipe side:

ø

12.7 ID

Liquid pipe side:

ø

9.52 ID

Gas pipe side:

ø

19.05 ID

(

ø

22.2 with reducer)

Total capacity of the indoor units

P140 or below

ø

15.88

ø

9.52

P141~P200

ø

19.05

ø

9.52

P201~P250

(

❈

) With reducer

ø

22.2 (

❈

)

ø

9.52

Gas pipe

Liquid pipe

To outdoor unit

✻

1

Reduce
(supplied)

✻

1: To connect P20-P50 type indoor units

✻

3: To connect multiple indoor units to a branch joint (or to a junction pipe)

✻

2: To connect P200 or P250 type indoor units

(or when the total capacity of the indoor units
exceeds P141)

The size of the branch end connection on the BC controller is designed to fit P50-P140 type indoor units.
To connect other types of indoor units, perform the following procedures.

✻

2

Junction
pipe kit
(Type: CMY-
R160-J)
(option)

Branch pipe
(Type: CMY-Y102S-G)(option)

✻

3

Maximum of 3 units per branch joint
Total capacity of P140 or less
(All units connected to the same
branch joint must be in the same mode.)

End connection:
brazed connection

BC controller

Item

Outdoor
unit side

Indoor unit side

High-pressure side

(liquid side)

Low-pressure side

(gas side)

Piping sections

ø

15.88

(Brazed)

ø

19.05

(Brazed)

ø

22.2

(Brazed)

ø

19.05

(Brazed)

ø

28.58

(Brazed)

ø

9.52

(Flare)

ø

15.88

(Flare)

✻

BC controllers (standard model) can only be connected to P200-P350

outdoor units.

PURY-P200YGM-A

PURY-P250YGM-A
PURY-P300YGM-A

PURY-P350YGM-A

70

234

Indoor unit

Indoor unit

Indoor unit

Indoor unit

Indoor unit

Indoor unit

P50 type

or below

P63-P140

types

P200-P250

types

B

A

- 41 -

3. Connecting the BC controllers

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Summary of Contents for PURY-P200

Page 1: ...Models PURY P200 P250 P300 P350 P400YGM A PURY P450 P500 P550 P600 P650YGM A Service Handbook AIR CONDITIONERS CITY MULTI ...

Page 2: ...50 3 Circuit Board 52 4 BC controller inside the panel 57 5 BC control box 60 6 BC controller board 60 4 Remote Controller 62 1 Functions and Specifications of MA and ME Remote Controllers 62 2 Group Setting and Interlocking Settings that are Made on an ME Remote Controller 63 3 Interlocking Setting that is Made on the MA Remote Controller 66 4 Switching to the built in Thermo on the remote contro...

Page 3: ...ard Operation Data Reference Data 114 9 Troubleshooting 122 1 Check Code List 122 2 Responding to Error Display on the Remote Controller 125 3 Investigation of Transmission Wave Shape Noise 159 4 Troubleshooting of Principal Parts 162 5 Refrigerant Leak 189 6 Compressor Replacement Instructions only P450 P650 types 191 7 Collecting the Cooling Liquid from the Accumulator Only P450 P650 types 192 8...

Page 4: ...r water may enter the unit and present a risk of electric shock smoke or fire Only use Refrigerant R410A as indicated on the unit when installing or relocating the unit The use of any other refrigerant or an introduction of air into the unit circuit may cause the unit to run an abnormal cycle and cause the unit to burst Do not make any changes or modifications to the unit In case of problems consu...

Page 5: ... in fire or explosion Use refrigerant pipes made of C1220 phosphorus deoxidized copper categorized under H3000 Copper and Copper Alloy Seamless Pipes and Tubes a standard set by JIS Keep the inner and outer surfaces of the pipes clean and free of contaminants such as sulfur oxides dust dirt shaving particles oils and moisture Contaminants inside the refrigerant piping will cause the refrigerant oi...

Page 6: ...and will lead to a drop in performance Do not install the unit in a place where there is a possibility of flammable gas leak Leaked gas accumulated around the unit may start a fire Do not use the unit to preserve food animals plants artifacts or for other special purposes The unit is not designed to provide adequate conditions to preserve the quality of these items When installing the unit in a ho...

Page 7: ... switch Type B fuse molded case circuit breaker with a proper current capacity The use of large capacity fuses steel wire or copper wire may damage the unit or cause smoke or fire When installing draining pipes follow the instructions in the manual and make sure that they properly drain water so as to avoid dew condensation If not installed properly they may cause water leaks and damage the furnis...

Page 8: ...y guards in their proper places They are there to keep the users from injury from accidentally touching rotating high temperature or high voltage parts Do not touch the refrigerant pipes with bare hands during and immediately after operation Depending on the state of the refrigerant in the system certain parts of the unit such as the pipes and compressor may become very cold or hot and may subject...

Page 9: ...itions are met the replacement of drier is not necessary 1 Do not leave the refrigerant circuit longer than 2 hours 2 Cover the opening end with a cap or tape to keep moisture from entering 3 Also cover the opening end of the new part with a cap or tape 4 Do not perform the task in the rain 5 Evacuate the refrigerant circuit as specified 6 Verification of the connecting pipes Verify the type of re...

Page 10: ... some restrictions Tools Materials Notes Use Gas leak detector Vacuum Pump Flare Tool Refrigerant Recovery Equipment Detection of gas leaks Vacuum drying Flare machining of piping Recovery of refrigerant The ones for HFC type refrigerant may be used May be used if a reverse flow check adaptor is attached Changes have been made in the flare machining dimension Refer to the next page May be used if ...

Page 11: ...pes with at least the radial thickness specified in the chart below Pipes with a radial thickness of 0 7 mm or less may not be used Maximum Operation Pressure Applicable Refrigerants 3 45 MPa 4 30 MPa R22 R407C etc R410A Types of Copper Pipes Reference Use pipes that meet the local standards Type O pipes Type 1 2H or H pipes Size mm Size inch Radial Thickness mm Type ø 6 35 ø 9 52 ø 12 7 ø 15 88 ø...

Page 12: ...n those for units that use R22 in order to increase air tightness If a clutch type flare tool is used to machine flares on units that use R410A make the protruding part of the pipe between 1 0 and 1 5mm Copper pipe gauge for adjusting the length of pipe protrusion is useful Flare Machining Dimension mm External dimension of pipes Size Dimension A R410A ø 6 35 ø 9 52 ø 12 7 ø 15 88 ø 19 05 1 4 3 8 ...

Page 13: ...nd T s in plastic bags for storage The new refrigerator oil is 10 times more hygroscopic than the conventional refrigerator oil such as Suniso Water infiltration in the refrigerant circuit may deteriorate the oil or cause a compressor failure Piping materials must be stored with more care than with the conventional refrigerant pipes OK OK NO NO 10 4 Storage of Piping Material 1 Storage location 2 ...

Page 14: ...tions Reason 1 The refrigerator oil used for the equipment is highly hygroscopic and may introduce water inside Notes Introducing a great quantity of mineral oil into the refrigerant circuit may also cause a compressor failure Do not use oils other than ester oil ether oil or alkylbenzene 11 5 Piping Machining ...

Page 15: ...nbrazingbetweencopper pipes or betweenacopper pipe and copper coupling 4 If installed refrigerant pipes are not immediately connected to the equipment then braze and seal both ends of them Reasons 1 The new refrigerant oil is 10 times more hygroscopic than the conventional oil The probability of a machine failure if water infiltrates is higher than with conventional refrigerant oil 2 A flux genera...

Page 16: ...ircuit when the vacuum pump power is turned off power failure It is also possible to attach a check valve to the actual vacuum pump afterwards 2 Standard degree of vacuum for the vacuum pump Use a pump which reaches 65Pa or below after 5 minutes of operation In addition be sure to use a vacuum pump that has been properly maintained and oiled using the specified oil If the vacuum pump is not proper...

Page 17: ...n the pipes Verify that the vacuum degree has not risen by more than 130Pa 1 hour after evacuation A rise by less than 130Pa is acceptable If it has exceeded by more than 130Pa conduct vacuuming following the instructions in the 6 Special vacuum drying section 5 Procedures for stopping vacuum pump To prevent the reverse flow of vacuum pump oil open the relief valve on the vacuum pump side or draw ...

Page 18: ...linder before charging Cylin der Cylin der Valve Valve Liquid Liquid R410A is a pseudo azeotropic refrigerant boiling point R32 52 C R125 49 C and can roughly be handled in the same way as R22 however be sure to fill the refrigerant from the liquid side for doing so from the gas side will somewhat change the composition of the refrigerant in the cylinder When refrigerant leaks additional refrigera...

Page 19: ...emical property As with R22 the new refrigerant R410A is low in toxicity and a chemically stable non flammable refrigerant However because the specific gravity of steam is greater than that of air leaked refrigerant in a closed room will accumulate at the bottom of the room and may cause hypoxia Also leaked refrigerant exposed directly to an open flame will generate noxious gasses Use the unit in ...

Page 20: ...ing performance Compressor overheat Burning in the orbiting part Effects on the refrigeration cycle Sludge formation Generation of acid Oxidization Oil degradation Water infiltration Air infiltration Infiltration of contaminants Dust dirt Mineral oil etc Expansion valve and capillary freeze Hydrolysis Oxidization Adhesion to expansion valve and capillary Infiltration of contaminants into the compr...

Page 21: ...able for transmission line If transmission lines of different systems are wired with the same multiple core cable the resultant poor transmitting and receiving will cause erroneous operations Outdoor unit Indoor unit Remote BC controller controller 2 core cable 2 core cable Outdoor unit Remote controller Indoor unit Multiple core cable BC controller Type of cable Cable diameter Remarks Sheathed 2 ...

Page 22: ...model unit make the address of the K control unit larger than that of the indoor unit of M NET model Group register on the system controller so that the group No and the lowest address of the K controlled indoor units belonging to thegroup will be identical Use the address that equals the sum of the smallest indoor unit address in the same refrigerant system and 50 Use the address that equals the ...

Page 23: ...le Note 1 ON Note 1 When connecting only the LM adapter leave SW2 1 to OFF Note 1 Refer to section 7 2 13 Demand control for detailed information on demand control settings Setting the centralized control switch on the outdoor unit factory setting SW2 1 OFF 3 Category Output Input Usage Cooling operation is disabled thermo OFF by the external input to the outdoor units Can be used as an on demand ...

Page 24: ... of 3 units or more can not be connected to the indoor unit within the same group 3 When the total number of indoor units exceeds 26 units In cluding that above Type 200 a transmission booster is re quired 4 In the case when start stop input CN32 CN51 CN41 is used by indoor group operation the Automatic address set up can not be employed Please refer to 1 2 Manual address set up 5 For the connecti...

Page 25: ... in the same group refer to 1 2 d LOSSNAY connection Linked and registered automatically with all indoor units within a refrigerant system Please refer to the 1 2 Manual address set up when interlocking partial indoor units with Lossnay using Lossnay alone without interlocking interlocking indoor units and Lossnay for over 16 units within a refrigerant system or connecting LOSSNAY for over 2 units...

Page 26: ...connected to gether to the indoor unit within the same group 2 MA remote controller of 3 units or more can not be connected to the indoor unit within the same group 3 When the total number of indoor units exceeds 26 units in cluding that above Type 200 a transmission booster is re quired Interlocking with ventilation Example to use shielded wire Group Group LC LC 1 BC and BS are found only in the ...

Page 27: ...function within a same group as sign the indoor unit with the most plenty of function to the main unit Set the address not to be overlapped with the indoor unit address The lowest address of indoor unit within refrigerant system 50 The address of the indoor unit connected to the sub BC con troller must be larger than that of the indoor unit connected to the main BC controller If applicable set the...

Page 28: ... the same group 3 Do not connect together the terminal blocks TB5 of the in door unit connected to different outdoor units 4 Replacement of the power supply selecting connector CN41 on the outdoor unit should be done only on one outdoor unit 5 Grounding of S terminal of the centralized control terminal block TB7 on outdoor unit should be done only on one out door unit 6 When the total number of in...

Page 29: ... BC Controller main Sub unit IC LC MA OC MA 01 50 01 50 Not required 52 100 51 100 Not required Order Unit or controller Address Setting method Caution Factory setting range setting Set the lowest address within a same group to the indoor unit desired to be the main unit Main unit 1 2 3 Set any address after setting al 5 Auxiliary units BS OS BC Set with main sub selector switch l indoor units 00 ...

Page 30: ...or units 6 When the total number of indoor units exceeds 26 units In cluding that above Type 200 a transmission booster is re quired Interlocking with ventilation Example to use shielded wire Group Group LC LC Notes 1 Leave SW2 1 as OFF when connecting LM adapter only 2 LM adapter requires the power source of 1 phase AC 230V Note 2 System controller 4 Replacement of the power supply selecting conn...

Page 31: ...unit r Main unit Sub unit Main unit BC Controller sub Hex unit BC Controller main Sub unit IC LC MA OC MA 01 50 01 50 Not required 52 100 51 100 Not required Order Unit or controller Address Setting method Caution Factory setting range setting Set the lowest address within a same group to the indoor unit desired to be the main unit Main unit 1 2 3 Set any address after setting al 5 Auxiliary units...

Page 32: ...mote controller of 3 units or more can not be connected to the indoor unit within the same group 3 Do not connect together the terminal blocks TB5 of the in door unit connected to different outdoor units 6 When the total number of indoor units exceeds 26 units In cluding that above Type 200 a transmission booster is re quired 4 Replacement of the power supply selecting connector CN41 on the outdoo...

Page 33: ... controller 2 Indoor unit to be connected to No 1 sub BC controller 3 Indoor unit to be connected to No 2 sub BC controller Set the address so that 1 2 3 To set the address to 100 set it to 50 If the address of the heat exchanger unit or main BC controller overlaps with the address of the outdoor unit or the sub BC control ler use an unused ad dress within the setting range The use of a sub BC con...

Page 34: ...unit 5 Grounding work is required for S terminal of the centralized control transmission block TB7 on one outdoor unit only 6 The system controller connectable to the indoor outdoor trans mission line counts for 3 sets maximum While G 50 counts for only 1 set 7 When the total number of indoor units exceeds 26 sets the system controller may not be connected to the indoor out door transmission line ...

Page 35: ...M1 and M2 terminals of the indoor outdoor transmission line terminal block TB02 on the BC controller BC and M1 and M2 terminals of the indoor outdoor transmission line terminal block TB5 on each indoor unit with non polarity two wires 1 Indoor unit 2 LOSSNAY 3 MA remote controlle 4 Outdoor unit r Main unit Sub unit Main unit BC Controller sub Hex unit BC Controller main Sub unit IC LC MA OC MA 01 ...

Page 36: ...y one of the outdoor units 6 Transmission line booster is necessary when the total number of connected indoor units exceeds 20 19 with 1 BC and 18 with 1 BC and BS each 7 Transmission line booster is necessary if the system includes indoor units of 200 or higher and the total number of indoor units exceeds 16 15 with 1 BC and 14 with 1 BC and BS each a Indoor outdoor transmission line b Centralize...

Page 37: ... 50 01 50 51 100 101 150 151 200 Order Unit or controller Address Setting method Caution Factory setting range setting 00 00 101 00 Starting with the number main unit address 1 assign a sequential number to each of the rest of the indoor units After all indoor units have received an address use any remaining number and assign it to the Lossnay unit units The smallest indoor unit address in the sam...

Page 38: ...door units exceed 16 sets and they include Type 200 or above the transmission line booster is required Example to use shielded wire Group Group Note 2 System controller Notes 1 Leave SW2 1 as OFF when connecting LM adapter only 2 LM adapter requires the power source of 1 phase AC 230V Note1 Note1 Group Replacement of the power supply selecting connector CN41 on the outdoor unit should be done only...

Page 39: ... unit desired to be the main unit Assign a larger address to the indoor unit that is connected to the R2 type sub BC controller than the one assigned to the indoor unit connected to the main BC controller If applicable set the sub BC con trollers in an R2 system in the fol lowing order 1 Indoor unit to be connected to the main BC controller 2 Indoor unit to be connected to No 1 sub BC controller 3...

Page 40: ...refrigerantor oil of the new unit to deteriorate Store the piping to be used during installation indoors and keep both ends of the piping sealed until just before brazing Store elbows and other joints in a plastic bag If dust dirt or water enters the refrigerant cycle deterioration of the oil and compressor trouble may result Caution Caution Caution Do not use a refrigerant other than that indicat...

Page 41: ...erge Restrictions on piping length Total piping length m Piping length between main BC controller and farthest indoor unit m Height difference and branch piping length between BC controller and indoor unit A Distance between outdoor unit and BC controller m Height difference between main BC controller and farthest indoor unit m Maximum of 3 units per branch joint Total capacity of P140 or less All...

Page 42: ...P141 P250 types 2 line merge Restrictions on piping length Total piping length m Piping length between main BC controller and farthest indoor unit m Height difference and branch piping length between BC controller and indoor unit A Distance between outdoor unit and BC controller m Height difference between main BC controller and farthest indoor unit m Maximum of 3 units per branch joint Total capa...

Page 43: ...azed ø 19 05 Brazed ø 22 2 Brazed ø 19 05 Brazed ø 15 88 Brazed ø 28 58 ø 25 4 ø 22 2 ø 19 05 ø 22 2 ø 19 05 ø 15 88 PURY P350 YGM A PURY P300 YGM A PURY P250 YGM A PURY P200 YGM A End connection of outdoor unit and BC controller Item Refrigerant piping size Liquid pipe Gas pipe Liquid pipe Gas pipe Indoor unit ø 22 2 ø 15 88 ø 12 7 ø 9 52 ø 6 35 ø 22 2 ø 15 88 ø 19 05 ø 19 05 ø 12 7 ø 9 52 ø 6 35...

Page 44: ...Gas pipe Liquid pipe To outdoor unit 1 Reduce supplied 1 To connect P20 P50 type indoor units 3 To connect multiple indoor units to a branch joint or to a junction pipe 2 To connect P200 or P250 type indoor units or when the total capacity of the indoor units exceeds P141 The size of the branch end connection on the BC controller is designed to fit P50 P140 type indoor units To connect other types...

Page 45: ...as a reference 2 BC controller main end connection piping size Total capacity of the indoor units P140 or below ø 15 88 ø 9 52 P141 P200 ø 19 05 ø 9 52 P201 P250 With reducer ø 22 2 ø 9 52 Gas pipe Liquid pipe To outdoor unit 1 Reducer supplied 2 Junction pipe kit Type CMY R160 J option Branch pipe Type CMY Y102S G For CITY MULTI Y series option Maximum of 3 units per branch joint Total capacity o...

Page 46: ...size using the table below as a reference 3 BC controller sub end connection piping size Total capacity of the indoor units P140 or below ø 15 88 ø 9 52 P141 P200 ø 19 05 ø 9 52 P201 P250 With reducer ø 22 2 ø 9 52 Gas pipe Liquid pipe Main BC controller 1 Reducer supplied 2 Junction pipe kit Type CMY R160 J option Branch pipe Type CMY Y102S G For CITY MULTI Y series option Maximum of 3 units per ...

Page 47: ...Components of the Outdoor Unit 1 Appearance of the Components and Refrigerant Circuit P200 P250 P300 P350 Types Front view of the unit Rear view of the unit Heat exchanger Fan guard Heat exchanger Fan guard ...

Page 48: ...essure side Check valve block 4 way valve Discharge muffler Pressure switch High pressure pressure sensor High pressure check joint Accumulator Solenoid valve block Low pressure sensor 4 way valve P200 P250 P300 P350 Types Front view of the refrigerant circuit Rear view of the refrigerant circuit ...

Page 49: ... 46 Heat exchanger Fan guard Heat exchanger Fan guard P400 type Front view of the unit Rear view of the unit ...

Page 50: ... muffler Pressure switch High pressure pressure sensor High pressure check joint Check joint on low pressure side Low pressure sensor Low pressure sensor 4 way valve Accumulator Oil separator Low pressure sensor Solenoid valve block P400 type Front view of the refrigerant circuit Rear view of the refrigerant circuit ...

Page 51: ... 48 Fan guard Heat exchanger Fan guard Heat exchanger P450 P500 P550 P600 P650 Types Front view of the unit Rear view of the unit ...

Page 52: ...ssure side Ball valve on high pressure side 4 way valve 21S4b 4 way valve 21S4a High pressure pressure sensor High pressure check joint Low pressure check joint Check valve block 1 Solenoid valve block 2 Check valve block 2 Solenoid valve block 1 Low pressure pressure sensor P450 P500 P550 P600 P650 Types Front view of the refrigerant circuit Rear view of the refrigerant circuit ...

Page 53: ...nal block TB3 INV board Choke coil L1 L2 Transformer DCL back Noise filter Rush current protection resistor R11 R12 Electromagnetic relay 52C1 Smoothing capacitor C11 C12 DCCT P250 P400 types only Gate amp board G A board Diode stack DS1 FAN board ACCT U phase ACCT W phase 2 Control Box P200 P400 Type Appearance Under the circuit board cover ...

Page 54: ...d RELAY02 BOARD Main board INV board Choke coil L1 L2 Transformer DCL back Gate amp board G A board FAN board Diode stack DS Smoothing capacitor C11 C12 Rush current protection resistor R11 R12 Electromagnetic contactor 52C1 Noise filter Electromagnetic contactor 52F Fuse AC660V 50A Electromagnetic contactor 52C2 Overcurrent relay 51C2 P450 P650 Type Appearance Under the circuit board cover ...

Page 55: ...3B LD2 CNAC3 Power output 3L1 1L2 CN20 Power intput 5L1 CN21 Power intput 3L2 1N LD1 Service LED SW5 SW4 SW3 SW2 SWU2 SWU1 SW1 CNLVB CN3S CN3D CN3N CNRS3A CNS1 CNS2 CN40 CN41 CNRT1 CNOUT1 CN52C Control for 52C1 CN51 3 4 Compressor ON OFF 3 5 Trouble CN38 3 Circuit Board 1 Main board ...

Page 56: ...ply 1 2DC30V 1 3DC30V 4 5DC7V 4 6DC12V 7 8DC7V CN15V2 Power supply for IPM control F02 CNVDC SW1 SW2 CN52C CNFAN CNRS1 CNRS2 Serial transmission for MAIN board CNCT2 CNAC2 Power Source 5L2 3N 1G CNTH CNCT CNDR2 2 INV board ...

Page 57: ... 54 CNVDC DC bus voltage input 1 3 LED1 LED2 SW2 CNTR IPM back CNN Fan motor output Fuse CNRS2 3 FAN board ...

Page 58: ... 3 CNCH CH12 Power output 1 3 AC220 240V CN51C2 51C2 contact input CN52F 52F driving output 1 3 AC220 240V CN52C2 52C2 drivingoutput 1 5 AC220 240V CN01 CH12 output 3 5 AC220 240V CNAC1 CH12 power input 1 3 AC220 240V CNIN relay driving input CNX10 4 Relay board RELAY BOARD 5 Relay board RELAY02 BOARD ...

Page 59: ... 56 CNFG CNL2 CNL1 CNOUT Controlled source output CNIN Controlled source input 6 Filter board CNDR1 CN15V1 CNDC1 CNDC2 CNIPM1 7 G A board ...

Page 60: ... side LEV3 SVM2 PS1 PS3 LEV2 TH11 LEV1 LEV2 PS3 SVM1 PS1 LEV1 LEV3 TH15 TH16 TH12 TH11 SVM2 SVM1 High pressure side outdoor unit side No SVM2 on G type 4 BC controller inside the panel CMB P V G A Front CMB P1016V G A is shown in the picture CMB P1016V G ...

Page 61: ... 58 Gas liquid separator Double pipe heat exchanger Gas liquid separator Double pipe heat exchanger Rear view CMB P1016V G A is shown in the picture CMB P1016V G CMB P1016V GA ...

Page 62: ... 59 LEV3a TH25 TH22 CMB P V GB Front view CMB P104V GB is shown in the picture Rear view CMB P104V GB is shown in the picture ...

Page 63: ...Relay board Terminal block for power supply Terminal block for transmission Transformer SW1 SW2 SW4 SW5 5 BC control box BC controller control box CMB P1016V GA is shown in the picture 6 BC controller board BC controller board ...

Page 64: ... 61 Relay board RELAY 4 board Relay board RELAY 10 board ...

Page 65: ...t has both MA remote controllers and M NET remote controllers MA remote controller wires between indoor units require rewiring Indoor unit and remote controller addresses must be changed or the registration information must be changed using MELANS M NET ME Remote Controller Notes 2 4 MA remote controller Notes 1 4 MA remote controller Notes 1 2 A system using an MA remote controller System using a...

Page 66: ... displaying the LOSSNAY address at INDOOR UNIT ADDRESS and the in door unit address at INTERLOCKED UNIT ADDRESS NOTE INDOOR UNIT ADDRESS and INTERLOCKED UNIT ADDRESS are displayed at the same time To confirm the addresses go to 2 Registered address confirmation Displays the unit type Indoor unit in this case will flash as a registration error If the registered indoor unit does not exist If registr...

Page 67: ...A Group registration information confirmation A Displaying GROUP REGISTRATION Each time you press the E Timer selection button the registered indoor unit address No and unit type are displayed Registered Not registered When there is one registration one address No is displayed no matter how many times the button is pressed When there are multiple registrations ex 011 012 013 the address Nos are di...

Page 68: ...A Operation mode display selection mode AUTO mode heating cooling display selection When the AUTO mode was selected with the remote controller the indoor unit is judged from the room temperature and heating or cooling is performed automatically In this case AUTO COOLING or AUTO HEATING is displayed at the remote controller However only AUTO without COOLING or HEATING can also be displayed B Room t...

Page 69: ...ent range in the cool dry mode is displayed The lower limit temperature of the set temperature display flashes This temperature value can be set and changed Lower limit temperature adjustment range 19 C 30 C Upper limit temperature 30 C is fixed Only the lower limit temperature can be changed When set temperature adjustment range was set to 24 C to 30 C 3 When the TEMP button 2 is pressed after th...

Page 70: ...on button and confirm the LOSSNAY address registered at the set indoor unit address Confirmation end display When LOSSNAY is connected The indoor unit address and IC and registered LOSSNAY address and LC are alternately displayed FUNCTION FUNCTION Indoor unit address and indoor unit display LOSSNAY address display and LOSSNAY display FUNCTION FUNCTION Indoor unit address LOSSNAY address FUNCTION F...

Page 71: ...3A T01 CNAC3 SW1 SWU2 SWU3 SWU1 SW2 SW3 SW4 SW5 black CN3S red CNVCC1 CN51 12V CN3D 3 2 1 5 4 3 2 1 3 2 1 ON ON ON OFF OFF ON OFF ON OFF OFF 1 1 10 1 10 1 10 1 10 10 Unit address setting CN52C yellow SV 4d CN38 green CN36 CN35 red CN33 CN32 CH11 CNS2 blue CNS1 blue 1 2 3 Z20 1 2 3 1 2 3 1 2 3 1 2 3 4 5 6 1 2 3 4 5 6 7 8 9 2 1 2 1 3 2 1 2 1 3 2 1 3 2 1 8 7 6 5 4 3 2 1 TH6 TH5 TH7 TH11 63LS R22 63HS...

Page 72: ... Compressor Motor G A BOARD Gate amp board 1 MC2 F12 AC660V 50A F F11 AC660V 50A F SV 4a CN13 TH12 4 3 2 1 black CNAC1 black CNAC2 3 2 1 3 2 1 1 2 3 4 5 6 CNIN blue CN02 black CN03 X4 X3 X2 X2 X1 X3 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 7 CNRS3B CNINV 6 5 4 3 2 1 Trouble Compressor ON OFF ON OFF 1 2 3 4 5 6 7 CNRS3A 1 2 3 4 5 6 7 8 CN3S red CNVCC1 CN51 CN3D 3 2 1 5 4 3 2 1 3 2 1 ON ON ON OFF OFF SWU...

Page 73: ...SV3B SV2B SV3C SV2C SV2A 2 4 3 7 5 6 4 3 2 1 2 3 4 1 2 3 4 2 3 4 9 8 7 6 5 SV1C SV1A SV1B 7 5 3 1 7 5 3 1 7 5 3 1 X2 X1 X30 X4 X3 X31 X6 X5 X32 CN27 Red CN28 Blue 1 1 1 1 2 3 4 13 12 11 16 15 14 13 12 11 SV4B SV4C SV4A 15 16 14 1 2 3 4 1 7 5 3 1 X8 X7 X33 CN29 Green SVM1 1 2 3 1 2 3 1 3 CN36 Green X21 N ZNR01 ZNR02 CNTR Red 2 2 PE 3 1 3 1 T2 T3 T1 T4 PE TO NEXT INDOOR UNIT PULL BOX FUSE 16A BREAKE...

Page 74: ...oor Transmission line PE PE 50Hz 60Hz 220V 240V POWER SUPPLY BREAKER 16A FUSE 16A PULL BOX TO NEXT INDOOR UNIT CN31 Yellow CN30 Black X35 X11 X12 X34 X9 X10 X33 X7 X8 1 3 5 7 1 3 5 7 1 3 5 1 4 3 2 1 4 3 2 1 4 3 2 1 SV6B SV6A SV6C 1 2 3 4 1 2 3 4 3 4 3 2 4 1 2 1 14 16 15 SV4A SV4C SV5B SV4B SV5C SV5A 11 12 13 14 15 16 11 12 13 4 3 2 1 1 1 1 X32 X5 X6 X31 X3 X4 X30 X1 X2 1 3 5 7 1 3 5 7 1 3 5 7 SV1B...

Page 75: ...5 6 7 CN50 CN50 PS3 PS1 TR TH16 TH15 TH12 TH11 CN11 CN10 CN02 CN03 1 2 3 2 1 1 2 3 4 8 7 6 5 4 3 2 1 1 2 CNP3 3 2 1 3 2 1 LEV1 LEV3 1 2 3 4 5 6 1 2 3 4 5 6 CONT B CN52 1 3 CN39 1 2 3 4 5 6 7 220V 240V 20V 22V SV6B SV6A SV6C 1 2 3 4 1 2 3 4 3 3 2 1 2 1 16 15 14 7 6 5 13 12 11 10 9 8 16 15 14 7 6 5 10 9 8 13 12 11 4 4 4 4 3 3 3 3 2 2 2 2 1 1 1 1 SV5C SV5A SV5B SV4B SV4A SV4C SV3B SV3A SV3C SV2B SV2A...

Page 76: ...5 X32 X8 X7 X33 X10 X9 X34 X12 X11 X35 1 2 1 2 3 3 4 3 2 1 4 3 2 1 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 2 3 4 16 15 14 7 6 5 4 2 3 13 12 11 10 9 8 4 2 3 16 15 14 13 12 11 10 9 8 7 6 5 1 2 3 8 7 6 5 4 3 2 1 4 1 3 1 2 3 2 1 1 2 3 4 8 7 6 5 4 3 2 1 1 2 3 2 1 3 2 1 1 2 3 4 5 6 1 2 3 4 5 6 4 1 2 3 4 5 6 7 8 3 2 1 3 1 5 3 1 3 1 2 1 3 3 1 2 1 3 X21 CMB P1016V G ONLY F01 2...

Page 77: ... Yellow DSA ON OFF 1 SW5 OFF 8 SW4 ON 1 8 T2 T3 T1 T4 Indoor outdoor Transmission Line PULL BOX TO NEXT INDOOR UNIT 50Hz 60Hz 220V 240V POWER SUPPLY BREAKER 16A FUSE 16A PE PE TR CN26 3 1 CN12 1 5 3 CONT B CN02 2 1 1 2 3 4 5 6 7 8 4 3 2 1 1 2 3 2 1 CN10 CN11 TH12 TH15 6 5 4 3 2 1 LEV3 220V 240V 20V 22V 1 2 3 4 10 9 8 4 2 3 10 2 1 4 3 SV3A SV3B SV2B SV3C SV2C SV2A 2 4 3 7 5 6 4 3 2 1 2 3 4 1 2 3 4 ...

Page 78: ... 5 4 3 2 1 CN50 TR TH15 TH12 CN11 CN10 CN02 CN03 1 2 3 2 1 1 2 3 4 8 7 6 5 4 3 2 1 1 2 LEV3 1 2 3 4 5 6 CONT B CN52 1 3 CN39 1 2 3 4 5 6 7 220V 240V 20V 22V SV6B SV6A SV6C 1 2 3 4 1 2 3 4 3 3 2 1 2 1 16 15 14 7 6 5 13 12 11 10 9 8 16 15 14 7 6 5 10 9 8 13 12 11 4 4 4 4 3 3 3 3 2 2 2 2 1 1 1 1 SV5C SV5A SV5B SV4B SV4A SV4C SV3B SV3A SV3C SV2B SV2A SV2C 2 3 4 1 2 3 4 2 3 4 2 3 4 1 1 1 7 5 3 1 7 5 3 ...

Page 79: ...6 X15 X37 X36 X13 X14 CN32 16 16 13 14 15 9 10 11 12 5 6 7 8 4 4 5 6 8 7 9 12 11 10 15 14 13 SV10C SV9C SV8C SV7C SV10A SV9A SV8A SV7A SV10B SV9B SV8B SV7B 4 3 2 1 4 3 2 1 4 3 2 1 4 3 2 1 4 3 2 1 4 3 2 1 4 3 2 1 4 3 2 1 7 6 5 4 3 2 1 CN52 REL B CN39 CN35 Blue CN34 Black CN33 Red 1 3 1 3 1 3 CN46 Yellow X21 X60 X30 X1 X2 1 3 5 4 3 2 1 SV1B SV1A SV1C 1 2 3 4 3 2 4 1 X35 X11 X12 X34 X9 X10 X33 X7 X8 ...

Page 80: ...B SV14A SV14C SV13B SV13A SV13C SV12B SV12A SV12C 1 2 3 4 16 15 14 7 6 5 1 4 2 3 13 12 11 10 9 8 1 2 4 3 16 15 14 7 6 5 1 4 2 3 13 12 11 10 9 8 SV11C SV11A SV11B REL B CN43 Red CN44 Yellow CN45 Green X21 CN36 Green 1 1 3 5 7 1 3 5 7 1 3 5 7 X20 X18 X19 X17 X39 X38 X16 X15 X37 X36 X13 X14 3 3 1 3 5 7 CN32 4 3 2 1 4 3 2 1 4 3 2 1 4 3 2 1 4 3 2 1 4 3 2 1 4 3 2 1 4 3 2 1 13 14 15 10 11 12 9 7 8 6 5 4 ...

Page 81: ...350 P400YGM A TH11 21S4a COMP 1 O S CJ1 ACC 63HS CJ2 TH6 TH7 63LS 63H1 ST6 ST14 ST17 TH5 BV2 BV1 ST1 ST15 ST16 Drier CV10a CV4a CV5a CV2a CV3a CV6a Orifice SV4a SV4b SV4c SV4d Solenoid Valves Block Check Valves Block CV9a CV8a CV7a HEXb1 HEXf3 HEXf2 HEXf1 ST11 ST10 CP1 SV2 SV1 ...

Page 82: ...18 ST19 TH5 BV2 BV1 ST1 ST15 ST16 Drier CV10a CV4a CV2a CV 3a CV4b CV5b CV2b CV3b CV6b CV5a CV6a Orifice SV4a SV4b SV4c SV4d SV5a SV5b CV 7b Solenoid Valves Block1 Solenoid Valves Block2 Check Valves Block1 Check Valves Block2 CV9a CV8a CV7a HEXb1 HEXb2 HEXf4 HEXf3 HEXf2 HEXf1 ST12 ST11 ST10 ST7 CV2 Oil Tank CV1 CP2 CP1 SV2 SV3 SV1 ø 19 05 ø 6 35 ...

Page 83: ...05 106 108 1010 1013 1016V G CMB P104 108V GB TH15 TH12 LEV3 LEV1 TH16 PS1 PS3 TH11 SVM1 HIC B Gas Liquid Separator Solenoid valves Block Check valves Block TH25 TH22 LEV3a CP Solenoid valves Block Check valves Block ...

Page 84: ...B P108 1010 1013 1016V GA TH15 TH12 LEV3 LEV1 TH16 PS1 PS3 TH11 Solenoid valves Block SVM1 SVM2 Gas pipe high pressure side Gas Liquid Separator LEV2 Liquid pipe Check valves Block Gas pipe low pressure side ...

Page 85: ... Discharge TH5 Piping temp erature TH6 Outdoor air temperature TH7 THHS Inverter heat sink temperature Heat sink 63H2 on P450 P650 types only TH12 on P450 P650 types only 1 Detects high pressure 2 Protects high pressure Controls defrost during heating operation 1 Detects discharge temperature 2 Protects high pressure 1 Detects outdoor temperature 2 Controls fan operation Controls defrost during he...

Page 86: ...d cooling cycle Energized heating cycle Continuity check with a tester CH12 on P450 P650 types only 1 273 t R0 15kΩ R0 80 3460 Rt 15exp 3460 1 273 0 C 15kΩ 30 C 4 3kΩ 10 C 9 7kΩ 40 C 3 1kΩ 20 C 6 4kΩ 25 C 5 3kΩ CH11 12 Crankcase heater Heater Name Function Notes Specification Check method Symbol function Linear expansion valve Thermistor LEV TH1 Suction air temperature TH2 Piping temperature TH3 G...

Page 87: ...not being powered Continuity test with a tester DC12V Opening of stepping motor driving valve 0 2000 pulses Same as the indoor LEV LEV1 Liquid level control Pressure difference control LEV3 Liquid level control Pressure difference control 1 273 t R0 15kΩ R0 100 3460 Rt 15exp 3460 1 273 0 C 15kΩ 10 C 9 7kΩ 20 C 6 4kΩ 25 C 5 3kΩ 30 C 4 3kΩ 40 C 3 1kΩ 1 Detects liquid side high pressure pressure 2 LE...

Page 88: ... 30 C 4 3kΩ 40 C 3 1kΩ 1 Detects liquid side high pressure pressure 2 LEV control Solenoid valve SVM1 Open during all cooling and defrost operations SVM2 Pressure difference control Supplies refrigerant to indoor units in cooling operation Supplies refrigerant to indoor units in heating operation Supplies refrigerant to indoor units in cooling operation SV A SV B SV C 85 2 GA type Name Notes Funct...

Page 89: ...ytime after power on Switch Function Function according to switch setting Switch setting timing OFF ON OFF ON SWU SW2 1 2 1 2 3 4 5 6 7 8 9 10 Unit address setting Centralized control switch Deletion of connection information Deletion of error history Refrigerant amount adjustment Forced defrost Defrost timer setting Test run valid invalid Test run ON OFF Defrost start temperature Defrost end temp...

Page 90: ...s Error detection enabled 0 Error detection disabled 1 Anytime after power on Always leave it to ON Note 1 Except for SW2 1 all are set to OFF at factory shipment Unless otherwise specified set the switch to OFF where indicated by which may be set to a certain setting for a reason Note 2 Leave SW1 1 off during normal operation If it is turned on errors cannot be detected and the unit may be damage...

Page 91: ...Provided 2500h Effective Thermo ON signal display Always at heat Low speed Set airflow Effective Effective Cooling only Provided Provided Provided 2nd setting Ineffective Always ineffective for PKFY P VAM Not provided for PKFY P VAM Ineffective ON setting for floorstanding Cooling capacity saving for PKFY P VAM effective ineffective At unit stopping at remote controller OFF SW3 Note When both SW1 ...

Page 92: ... connector Set to the option to install the high efficiency filter Always after powering Always after powering Always after powering Always after powering Ceiling height 3 3 5m 2 2 8m 1 2 3m 1 2 3 2 way 4 0m 3 3m 4 2m 3 5m 3 way 3 6m 3 0m 4 0m 3 3m 4 2m 3 5m 4 way Values in the parenthese are for P32 80 types 3 2m 2 7m 3 6m 3 0m 4 2m 3 5m SWB SWA 3 2 1 PCFY P VGM E PDFY P20 80VM E PEFY P20 80VMM E...

Page 93: ...sub and other function will be set In normal case do not change the setting except No 1 switch used to set the main sub All setting at factory shipment are ON Remote controller unit Switch Function ON OFF Action by switching Switch set timing 1 Remote controller Main Sub main sub 2 At powering of Normal Timer mode remote controller start up start up 3 Cooling heating display Yes No Yes No at autom...

Page 94: ...7MEA 2 Controlling the Outdoor Unit 1 Initial control When the power is turned on the initial processing of the microcomputer is given top priority During the initial processing control processing of the operation signal is suspended The control processing is resumed after the initial processing is completed Initial processing processing of the data inside the microcomputer and initial setting of ...

Page 95: ...iming ON Open OFF Close At No 1 compressor start up or at No 2 compressor start up P450 P650 types only After the restoration of thermo or 3 minutes after restart During cooling or heating operation with the compressor stopped After the operation has stopped During defrost operation See figure 1 below During oil recovery operation During an operation with the compressor running at 30Hz When low pr...

Page 96: ... does not meet the capacity requirement No 2 compressor will start its operation 2 No 2 compressor going from in operation to stop When an operation of both No 1 and No 2 compressors exceeds the capacity requirement No 2 compres sor will stop its operation 2 Pressure limit The maximum limit of high pressure Pd is set for each frequency level If this limit is exceeded the frequency will be reduced ...

Page 97: ...he operation will stop Above 20 C within 2 minitues for P400 type models and above 4 Problems during defrost operation If a problem is detected during defrost operation the operation will be stopped and the defrost prohibition time based on the integrated compressor operation time will be set to 20 minutes 5 Change in the number of operating indoor units during defrost operation Even when there is...

Page 98: ... P250 P400 Td 105 C P450 P650 Td1 105 C or Td2 105 C 2 The mode at the pipe end connection is not in the 3 minute restart suspension mode 2 Refrigerant recovery operation 1 The mode at the pipe end connection is in the mode other than heating with thermo on Turn on SV C at the pipe end connection for 30 seconds The corresponds to each pipe end connec tion number 2 The LED1 and LED3 openings are in...

Page 99: ...F ON ON ON 2 OFF OFF OFF ON ON OFF 3 OFF OFF OFF OFF ON OFF 4 OFF OFF OFF ON OFF OFF 5 OFF OFF OFF OFF OFF OFF 6 ON ON OFF ON ON ON 1 OFF OFF OFF ON ON ON 2 OFF OFF OFF ON ON OFF 3 OFF OFF OFF OFF ON OFF 4 OFF OFF OFF ON OFF OFF 5 OFF OFF OFF OFF OFF OFF 6 OFF OFF ON OFF OFF OFF 8 ON ON OFF ON ON ON 1 ON ON OFF ON ON ON 1 OFF OFF OFF ON ON ON 2 OFF OFF ON ON ON ON 7 OFF OFF ON OFF OFF OFF 8 ON ON ...

Page 100: ...oller displays the type of error that allows an emergency operation as in above refer to the table below the unit will begin retry operation Same usual operation as the operation after error reset 4 When the same type of error is detected during the retry operation Item 3 above perform another error reset on the remote controller and run an emergency operation suitable for the type of the error 2 ...

Page 101: ... gas High pressure gas High pressure 2 phase Low pressure gas Low pressure gas Low pressure gas Low pressure gas Low pressure gas Vapor liquid separator Outdoor unit BC controller Indoor unit LEV LEV M M L M L M L M L A O M L M L M L M L A O B C D I J J E F F N N N K M L M L M L G H A O L J G I K H D C F E B N A M O J G I K H D C F E B A M L F M A O M L A O M A I E K B C D B C D B C D F G H Gas li...

Page 102: ...ng or heating mode is automatically selected 1K Cooling mode Fan mode Heating mode Switches to cooling mode Cooling with thermo on Set temperature To changeable between 19 and 28 C Heating with thermo ON Switches to heating mode Fan mode Temperature rise 1 5K 1K 1 5K Cooling load capacity Heating load capacity Cooling load capacity Heating load capacity Heating load capacity Cooling load capacity ...

Page 103: ...the bases of bypass outlet inlet temperature G GA TH12 TH15 GB TH22 TH25 is controlled every minute to stay constant 2 The pressure difference PS1 P3 is controlled every minute to stay constant 3 The liquid level detected on the bases of liquid inlet temperature TH11 is controlled every minute to stay constant 4 It may exceed 110 due to a pressure rise on the liquid side PS1 3 LEV control The open...

Page 104: ... Orange 1 Brown 2 Red 3 Remote controller board Relay circuit Outdoor unit controller board Power supply to relay To be acquired on site Example of wiring connection OPEN OPEN SHORT SHORT OPEN SHORT OFF ON Compressor ON OFF CN3D 1 3P OPEN SHORT ON OFF NIGHT MODE CN3D 1 2P CN3D 1 2P 100 no demand 75 0 50 CN3D 1 3P Note the following steps to be taken when using the STEP DEMAND Example When witching...

Page 105: ...top YES NO NO NO YES YES NO YES NO YES YES NO Note 3 YES NO Note 3 YES NO NO Note 3 Cooling heating automatic mode Cooling heating automatic display Prohibition Cooling heating automatic operation YES Note 3 Note 2 Note 1 Notes 1 Indoor unit LEV fully closed Opening 41 2 T 3 he error mode includes that of indoor units BC controller and outdoor units At indoor side error excluding water leak the in...

Page 106: ...remote controller In case indoor unit is not grouped to remote controller HO display on remote controller continues blinking even after 3 minutes after turning on power source 2 Two trouble modes include indoor unit side trouble and outdoor unit side trouble In the case of indoor unit side trouble error stop is observed in outdoor unit only when all the indoor units are in trouble However if one o...

Page 107: ...lding of protection function Error signal sent to indoor units Heating only operation Cooling main operation Heatin main operation Cooling only operation Operation mode Note 1 Error modes include errors on the indoor unit side and errors on the BC controller and outdoor unit sides If there are problems on the indoor unit side only the indoor units will stop If there are problems with either on the...

Page 108: ...noid valves OFF 4 Outdoor unit fan stop 5 52C1 OFF 1 Inverter frequency control 2 Indoor unit LEV BC LEV control 3 Solenoid valve control 4 Outdoor unit fan control 5 52C1 control 6 BC SV OFF 6 BC SV control Normal operation Trouble observed Stop Note 1 YES Note 1 The indoor fan operates at the set notch under cooling regardless of thermostat ON OFF 105 2 Operation under each mode 1 Cooling operat...

Page 109: ...nverter defrost frequency control 3 Indoor unit LEV fully closed 4 Solenoid valve control 5 Outdoor unit fan stop 6 LEV1 control 7 52C1 control Defrost end Defrost end Return to heating operation Note 1 2 Note 1 2 1 Indoor unit fan very low speed operation 2 Inverter output 0Hz 3 Indoor unit LEV BC LEV fully closed 4 Solenoid valve all OFF 5 Outdoor unit fan stop 6 52C1 OFF 7 BC SV OFF 1 Indoor an...

Page 110: ...noid valve accompanying compressor ON are the same as those in cooling operations 2 Thermostat is always kept on in test run and indoor and outdoor unit intermittent operation ON time is a little longer than normal operations 1 Indoor unit fan stop 2 Inverter output 0Hz 3 Indoor unit LEV BC LEV fully closed 4 Solenoid valve OFF 5 Outdoor unit fan stop 6 52C1 OFF 7 BC SV OFF 1 Outdoor unit Compress...

Page 111: ...n booster for transmission line reset the power of the outdoor unit STAND BY DEFROST ERROR CODE D A I L Y AUTO OFF CENTRALLY CONTROLLED CLOCK REMAINDER ON OFF ßC 1Hr NOT AVAILABLE ßC CHECK MODE FILTER CHECK TEST RUN LIMIT TEMP ON OFF TEMP FILTER CHECK TEST ON OFF CLOCK PAR F27MEA TIMER SET Test run display ON OFF lamp ON OFF button Vertical air direction button Test run button Ventilation button T...

Page 112: ... high if normal SH 20K or lower 4 5 6 Inlet super heating is low if normal SH 10K or higher Refrigerant volume tends toward insufficient Rifrigerant volume tends toward overcharge Condition Judgement 1 Low pressure saturation temperature Low pressure shell compressor During cooling operation the amount of refrigerant in the accumulator is the smallest when all indoor units are in operation Dischar...

Page 113: ...0 16 kg m 80 1 0kg 81 160 1 5kg 161 330 2 0kg 331 480 2 5kg 481 630 3 0kg 631 710 4 0kg 711 890 5 0kg 891 1070 6 0kg Size of high pressure pipe Total length of ø 15 88 x 0 11 m x 0 11 kg m Size of high pressure pipe Total length of ø 12 7 x 0 12 m x 0 12 kg m Size of liquid pipe Total length of ø 9 52 x 0 06 m x 0 06 kg m Size of liquid pipe Total length of ø 6 35 x 0 024 m x 0 024 kg m Total capa...

Page 114: ...re times when this level may become unsuitable 1 The refrigerant volume is suitable When the subcools SC11 and SC16 of the BC controller are 5K or more and when SH of the indoor unit is 5 15K 2 The current volume is suitable however may become unsuitable after a certain length of time 2 There are times when it becomes difficult to determine the volume when performing refrigerant adjustments if the...

Page 115: ...ed Note1 Has the compressor operating frequency stabilised Note2 A stable com pressor frequency Is TH11 100 C Is TH11 95 C Run the operation for 5 minutes after refrigerant amount adjustment then judge Gradually add refrigerant from the service port on the low pressure side System has the correct amount of refrigerant SW2 4 OFF Note4 Run the operation for 5 minutes after refrigerant amount adjustm...

Page 116: ...5 minutes maximum to warm up model 200 Fan operation will be done during the warming up The system is under starting up Operate the remote controller after the blinking of HO is disappeared At stopping of cooling operation drain pump oper ates for 3 minutes further Run drain pump if drain water is generated even un der stopping Symptom Remote controller display Cause Indoor unit does not run while...

Page 117: ...et TH5 Accumulator Inlet Outdoor Outlet Sectional unit Suction Compressor C temp Shell bottom Compressor Indoor LEV inlet unit Heat exchanger inlet 27 0 19 0 27 0 19 0 27 0 19 0 35 0 24 0 35 0 24 0 35 0 24 0 4 4 4 4 71 63 50 20 100 71 63 20 125 80 63 32 5 4 4 5 5 10 10 10 45 45 45 Hi Hi Hi 14 8 18 4 18 4 10 3 9 4 13 0 11 9 16 1 14 7 Compressor frequency No 1 No 2 Hz 380 415 380 415 380 415 81 69 8...

Page 118: ...umulator Inlet Outdoor Outlet Sectional unit Suction Compressor C temp Shell bottom Compressor Indoor LEV inlet unit Heat exchanger inlet 27 0 19 0 27 0 19 0 27 0 19 0 35 0 24 0 35 0 24 0 35 0 24 0 4 4 4 4 140 125 63 32 200 100 63 32 250 100 63 32 5 4 4 5 5 10 10 10 45 45 45 Hi Hi Hi 18 9 22 2 27 7 19 2 17 6 22 6 20 7 22 9 21 0 Compressor frequency No 1 No 2 Hz 380 415 380 415 380 415 95 100 50Hz ...

Page 119: ...t exchanger outlet TH5 Accumulator Inlet Outdoor Outlet Sectional unit Suction Compressor C temp Shell bottom Compressor Indoor LEV inlet unit Heat exchanger inlet 27 0 19 0 35 0 24 0 4 4 250 125 100 32 5 10 45 Hi Compressor frequency No 1 No 2 Hz 380 415 388 387 325 2000 2000 200 2000 2000 210 261 84 87 42 15 15 21 17 37 42 24 13 PURY P550 CMB P108GA 27 0 19 0 35 0 24 0 4 4 250 125 125 63 5 10 45...

Page 120: ...er outlet TH5 Accumulator Inlet Outdoor Outlet Sectional unit Suction Compressor C temp Shell bottom Compressor Indoor LEV inlet unit Heat exchanger inlet 27 0 19 0 35 0 24 0 5 5 200 5 10 55 Hi Compressor frequency No 1 No 2 Hz 380 415 324 324 387 2000 2000 225 2000 2000 240 362 222 388 324 387 362 222 84 86 41 15 15 19 17 47 43 24 12 PURY P650 CMB P108GA 27 0 19 0 35 0 24 0 5 5 5 10 55 Hi 29 1 30...

Page 121: ...nger outlet TH5 Accumulator Inlet Outdoor Outlet Sectional unit Suction Compressor C temp Shell bottom Compressor Indoor LEV inlet unit Heat exchanger inlet 20 0 20 0 20 0 7 0 6 0 7 0 6 0 7 0 6 0 4 4 4 4 71 63 50 20 100 71 63 20 125 80 63 32 5 4 4 5 5 10 10 10 45 45 45 Hi Hi Hi Compressor frequency No 1 No 2 Hz 380 415 380 415 380 415 2 82 0 67 2 71 0 67 2 70 0 65 79 76 76 1 2 1 0 1 0 0 1 0 12 0 2...

Page 122: ...tdoor Outlet Sectional unit Suction Compressor C temp Shell bottom Compressor Indoor LEV inlet unit Heat exchanger inlet 20 0 20 0 20 0 7 0 6 0 7 0 6 0 7 0 6 0 4 4 4 4 140 125 63 32 200 100 63 32 250 100 63 32 5 4 4 5 5 10 10 10 45 45 45 Hi Hi Hi Compressor frequency No 1 No 2 Hz 380 415 380 415 380 415 2 71 0 65 2 43 0 68 2 81 0 70 76 71 75 78 1 2 4 0 0 1 0 0 1 2 1 1 1 30 30 23 27 35 31 38 60 60 ...

Page 123: ... TH11 TH12 Heat exchanger outlet TH5 Accumulator Inlet Outdoor Outlet Sectional unit Suction Compressor C temp Shell bottom Compressor Indoor LEV inlet unit Heat exchanger inlet 20 0 7 0 6 0 4 4 250 125 100 32 5 10 45 Hi Compressor frequency No 1 No 2 Hz 380 415 2 82 0 70 76 81 4 1 1 1 1 24 27 39 62 PURY P550 CMB P108GA 20 0 7 0 6 0 4 4 250 125 125 63 5 10 45 Hi 380 415 2 83 0 69 76 79 4 1 1 1 1 2...

Page 124: ...2 Heat exchanger outlet TH5 Accumulator Inlet Outdoor Outlet Sectional unit Suction Compressor C temp Shell bottom Compressor Indoor LEV inlet unit Heat exchanger inlet 20 0 7 0 6 0 5 5 200 5 10 55 Hi Compressor frequency No 1 No 2 Hz 380 415 2 85 0 66 79 82 3 0 0 1 1 26 29 38 62 PURY P650 CMB P108GA 20 0 7 0 6 0 5 5 5 10 55 Hi 380 415 2 86 0 63 83 85 1 1 1 2 2 29 31 38 62 200 125 50 25 250 200 12...

Page 125: ...at sink overheat protection Overload protection 101 IPM abnormality 102 ACCT overcurrent abnormality H W peak detect 103 DCCT overcurrent abnormality H W peak detect 104 IPM short grounding abnormality 105 Load short abnormality 106 ACCT overcurrent abnormality S W detect peak current 107 ACCT overcurrent abnormality S W detect effective current Cooling fan abnormality 5101 Air inlet TH21 IC Open ...

Page 126: ...Branch port setting abnormality 7110 Connection number setting abnormality 7111 Remote control sensor abnormality 7113 Functional restriction error 7130 Di 7117 Unset model error 7116 System error before flashing operation ff Note1 Compressor inverter and fan inverter are installed in these R410A series When checking the check code or the 2 digit detail code refer to the last digit to confirm whet...

Page 127: ...109 Preliminary bus voltage rise abnormality S W detect 110 Preliminary bus voltage abnormality H W detect 111 Preliminary logic circuit for H W error detect abnormality 4330 4230 4335 4235 Note1 Preliminary heat sink overheating abnormality 4340 4240 4345 4245 Note1 Preliminary overload abnormality 4350 4250 4355 4255 101 Preliminary IPM abnormality 102 Preliminary ACCT overcurrent abnormality H ...

Page 128: ...minutes after stop of outdoor unit is intermittent fault check period with LED displayed 1 Gas leak gas shortage 2 Overload operations 3 Poor operations of indoor LEV 4 Poor operations of BC controller LEV Cooling only LEV3 Cooling main LEV1 2 and 3 Heating only or heating main LEV3 Defrost LEV3 5 Poor operations of the BC controller SVM1 and 2 Cooling only Defrost 6 Poor operations of the BC cont...

Page 129: ...ded as the first time and the process shown in 1 is observed 5 30 minutes after stop of outdoor unit is intermittent fault check period with LED displayed 6 Error stop is observed immediately when pressure switch 4 15 MPa operates in addition to pressure sensor 1 Poor operations of indoor LEV Heating 2 Poor operations of the BC controller Heating only or heating main Indoor LEV3 Defrost LEV3 3 Poo...

Page 130: ...ssure sensor Check inlet temperature and pressure of sensor with LED monitor Check inlet temperature and pressure of sensor with LED monitor Check whether the fuse melts Check whether the actuator for the cooling FAN MF the 4 way valve or the solenoid valve is not short circuited and broken 1500 Overcharged refrigerant abnormality 1 If the discharge SH 10K is detected during operation at first det...

Page 131: ...no dust around the drain pump intake 3 Check the clogged drain pipe Check whether there is no clogging outside of the pipe body 4 Check the return water Pour approximately 1 liter water in the drain pump and start the drain pump When the water level in the drain pan becomes stably lower stop the pump and check the amount of the return water to the drain pan When a large amount of water returns the...

Page 132: ... operation cannot be detected during OFF Short circuit detected 90 C or more Open circuit detected 20 C or less 1 Thermistor failure 2 Connector contact failure Insert failure 3 Disconnected wire or partial disconnected wire for thermistor 4 Indoor board detection circuit failure Thermistor resistance check 0 C 6 0kΩ 10 C 3 9kΩ 20 C 2 6kΩ 30 C 1 8kΩ 40 C 1 3kΩ Connector contact failure If no fault...

Page 133: ...s CN20 and CN21 4108 Over current protection 1 First detection If 51C2 is started during the operation of No 2 compressor the outdoor unit stops once turns to anti restart mode for 3 minutes and restarts after 3 minutes Set value of the over current relay 55A 2 Second detection If 51C2 is started again within a minute after restarting in compliance with 1 above the unit makes an error stop and the...

Page 134: ...abnormality motor abnormality LOSSNAY 1 The motor keep running even if the power is OFF 2 The thermal overload relay is ON Only for the three phase model Indoor unit If detected less than 180rpm or more than 2000rpm the indoor unit will restart and keep running for 3 minutes If detected again the display will appear 1 Defective board 2 Motor malfunction 3 Solenoid switch malfunction Replace the bo...

Page 135: ...ck the THHS sensor resistance Ensure that the heat sink temperature is 55 C or more and that 220 240V is applied to the inverter PCB connector CNFAN when the inverter is on Check the cooling fan operation under the above operating conditions Refer to 9 4 7 2 Check for compressor ground fault or coil error 5 Check the inverter circuit trouble In the case of 4230 When the heat sink temperature THHS1...

Page 136: ...THHS 90 C is detected for 10 minutes in a row during the inverter operation Type P200 Type P250 Type P300 Type P350 Type P400 Type P450 Type P500 Type P550 Type P600 Type P650 27 Arms 27 Arms 27 Arms 27 Arms 27 Arms 27 Arms 27 Arms 27 Arms 27 Arms 27 Arms 4250 4255 IPM abnomality Error details No 101 ACCT overcurrent abnormality Error details No 102 DCCT overcurrent abnormality Error details No 10...

Page 137: ...r is not set up or contact failure 5 Indoor board failure detection circuit Themistor resistance check 0 C 15kΩ 10 C 9 7kΩ 20 C 6 4kΩ 30 C 4 3kΩ 40 C 3 1kΩ Check the contact of the connector If no fault is found the indoor board is a failure When shorting or open of the sensor is detected while the thermo is ON the restart prevention mode will be operated for 3 minutes If there is no recovery afte...

Page 138: ...rmistor is detected just be fore the restart the unit will make an error stop and check code 5101 5103 5104 5105 5106 5107 and 5108 will appear 5 LED display which indicates the grace period will appear while the restart prevention mode is being operated 6 Shorting or open is not detect ed for 10 minutes after starting the compressor or for 3 mi nutes during or after defrosting 5108 5110 5111 5112...

Page 139: ... is faulty 2 ACCT sensor is faulty 1 Contact is faulty 2 DCCT sensor incorrectly installed 3 DCCT sensor is faulty 4 INV board fault 1 INV board fault 2 Compressor ground fault and IPM fault Check the INV board CNCT2 ACCT contact CNDR2 and G A Board CNDR1 Replace the ACCT sensor Check the connector connection on the INV board CNCT DCCT DCCT side Check DCCT installation direction Replace the DCCT s...

Page 140: ...per installation of the ACCT sensor was detected DCCT sensor circuit abnormality Error details No 116 Other than P200 model IPM open ACCT connection abnormality Error details No 119 ACCT misswiring abnormality Error details No 120 6600 1 Two or more controllers of outdoor unit indoor unit remote controller etc have the same address Example Error display of the remote controller 6600 01 Unit No 1 d...

Page 141: ...heck the noise Transmission circuit bus busy abnormality 1 Collision of data transmission Transmission can not be per formed for 4 10 consecutive minutes due to collision of data transmission 2 Data can not be transmitted on transmission line due to noise for 4 10 consecutive minutes Note The address attribute shown on remote controller indicates the controller which has detected error Confirm sup...

Page 142: ...y IC unit controller 5 Faulty remote controller 1 Faulty transmission wiring at IC unit side 2 Faulty transmission wiring of RC 3 When remote controller address is changed or modified during operation 4 Faulty remote controller Shut down OC unit power source and make it again It will return to normal state at an accidental case When normal state can not be recovered check for the 1 4 of the cause ...

Page 143: ...ollowing causes can be considered Total capacity error 7100 Capacity code setting error 7101 Connecting set number error 7102 Address setting error 7105 1 Cause of 1 3 of Cause for single refrigerant system 2 Disconnection or short circuit of transmission line of OC terminal block for centralized control TB7 3 Shut down of OC unit power source of one refrigerant system 4 Neglecting insertion of OC...

Page 144: ...em 1 Cause of total capacity error 7100 2 Cause of capacity code setting error 7101 3 Cause of connecting number error 7102 4 Cause of address setting error 7105 5 Disconnection or short circuit of transmission line of OC unit terminal block for central control TB7 6 Power source shut down of OC unit 7 Trouble of OC unit electrical system Trouble of all IC 1 As same that for single refrigerant sys...

Page 145: ...em 1 Error detected by OC unit Total capacity error 7100 Capacity code setting error 7101 Connecting number error 7102 Address setting error 7105 2 Disconnection or short circuit of transmission line of OC unit terminal block for central control TB7 3 Power source shut down of OC unit 4 Trouble of OC unit electrical system Trouble of all IC 1 As same that for single refrigerant system 2 When using...

Page 146: ...of all IC in one refrigerant system 1 Error detected by OC unit Total capacity error 7100 Capacity code setting error 7101 Connecting number error 7102 Address setting error 7105 2 Disconnection or short circuit of transmission line of OC unit terminal block for central control TB7 3 Power source shut down of OC unit 4 Trouble of OC unit electrical system Trouble of all RC 1 As same that for singl...

Page 147: ...ard c Make OC unit power source and wait for 5 minutes d Shut down OC unit power source and wait for 5 minutes e Turn off the dip switch SW2 2 provided on OC unit control circuit board f Make OC unit power source No relation with system Checking code Meaning detecting method Cause Checking method Countermeasure 6608 1 At the collision of mutual transmission data when transmission wiring is modifie...

Page 148: ...eck the main slave setting of the MA remote controller 5 Diagnose the remote controller Remote controller IM description Result OK No problem in the remote controller wiring specifications check NO Replace the remote controller 6832 6833 ERC Noise is the cause To 6 6 Check the transmission waveform and noise on the transmission signal of MA remote controller line 7 If no problem is present in item...

Page 149: ...function SW1 operation of indoor unit a Check whether the connection of units to the terminal block for indoor outdoor transmission wiring TB3 of outdoor unit is not exceeding the limitation See 1 2 left b Check for 2 3 and 4 c Check for the connection of transmission wiring to the terminal block for centralized control is erroneously connected to the indoor outdoor transmission wiring terminal bl...

Page 150: ...onnected to the BC controller Sub 1 or 2 Is the address of the indoor unit which is connected to the BC controller Sub smaller controller Sub smaller than that of the indoor unit which is connected to the BC controller Sub2 Is the address of the indoor unit which is connected to the BC controller Main smaller than that of the indoor unit which is connected to the BC controller Sub 1 or 2 Is the to...

Page 151: ...untermeasure 7110 7111 7113 7116 7117 7130 Check transmission booster and power supply a Replace the remote controller with the one with built in temperature sensor Check all main board connectors and rectify faulty connection Check that the SW4 3 on the main board is OFF Check for the contact of the connector CNTYP1 4 5 on the main board Check the record of CNTYP1 4 5 Check the connected indoor u...

Page 152: ...on 5 Short circuit of the wire for the remote display output for the outdoor unit or reversed polarity connection of the relay 6 Indoor unit controller board failure 7 MA remote controller failure Factors Phenomena Checke method Handling 1 a Check voltage of the MA remote controller terminal among 1 to 3 i If the voltage is DC8 5 12V the remote controller is defective ii If there is no voltage Che...

Page 153: ...5 to the M NET transmission line of the indoor unit and the indoor controller board CN2M or disconnected connector Factors Phenomena Checke method Handling 2 When the factor 2 and 3 apply self diagnosis LED works and the check code 7102 will be displayed When turning on the remote controller operation SW a temporary operation display is indicated and the display lights out immediately and the unit...

Page 154: ...ire for the MA remote controller is connected incorrectly to the terminal block to the transmission line TB5 5 The M NET transmission line is connected incorrectly to the terminal block TB13 on the MA remote controller 7 The sub main setting of the MA remote controller is set to sub 8 More than 2 main MA remote controllers are connected 9 Indoor unit controller board failure MA remote controller c...

Page 155: ...the wire for the MA remote controller again Check for daisy chain Replace the MA remote controller Does the MA remote controller work properly when it is connected to the specified indoor unit Check for power supply Running group operation with the MA remote controller Does the unit work properly when the power is reset Replace the indoor unit control board when the unit starts running Centrally c...

Page 156: ...r source circuit failure judgment When the factor 2 and 3 apply self diagnosis LED of the outdoor unit works and the check code 7102 will be displayed Even if the operation SW on the remote controller is pressed the display remains unlit and the unit does not start running Power indicator does not appear on the screen When turning on the remote controller operation SW a temporary operation display...

Page 157: ...units are inserted into transmission lines Or in the system to which power supply unit for transmission line power supply of the outdoor unit CN40 is inserted into transmission line Factors Phenomena 3 HO display on remote controller does not disappear and ON OFF switch is ineffective NO NO NO YES YES YES NO YES YES YES NO NO NO YES Same symptom for all units in a single refrigerant system Check o...

Page 158: ...the centralized control transmission line of outdoor unit 10 In the system connected with MELANS power supply connector CN40 is inserted into the centralized control transmission line of outdoor unit 11 Short circuit of centralized control transmission line Factors Phenomena Checke method Handling 4 a Confirm the address of unit to be coupled b Check the connection of transmission line c Check the...

Page 159: ...essure Sensor Note Lower intake of low pressure sensor than actual pressure causes insufficient capacity b Observe difference between evaporating temperature Te and target evaporating temperature Tem by monitoring with LED Note Higher Te than Tem causes insufficient capacity Note When frequency does not rise even at higher Te than Tem frequency restriction by discharge temperature or high pressure...

Page 160: ...ay be affected At high discharge temperature Refer to 1102 At high pressure Refer to 1302 Check temperature difference between before and after a portion strainer distributor of low pressure piping where foreign matter may likely be clogged Significant temperature drop may indicate clogging Remove foreign matter inside piping Check inlet temperature and short cycle at indoor unit side To improve u...

Page 161: ...nt shutout 7 Refrigerant over charge error Notes 1 Freeze protection tripping only under cooling mode may be considered in addition to the above Freeze protection is detected by one or all indoor units 2 With some error codes emergency stop is not commenced even at the second stopping Factors Phenomena Checke method Handling 2 3 Check piping thermistor Refer to the page of outdoor unit fan Check t...

Page 162: ...ssion wave shape changes to other signal due to noise 6602 Transmission wave shape changes due to noise and can not be received 6607 normally thus providing no reply ACK Transmission can not be made continuously due to the entry of fine noise 6603 Transmission can be made normally but reply ACK or answer can not be 6607 issued normally due to noise 6608 Cause Erroneous operation Error code 1 1 Che...

Page 163: ...with different refrigerant systems One point earthing at outdoor unit Upper rank controller is used Earthing at the upper rank controller b Error is generated even though one point earth is being connected Earth shield at all outdoor units Connect to ground as shown in the user s manual 1 Wiring of transmission and power lines in cross ing 2 Wiring of transmission line with that of other system in...

Page 164: ...ssion cable and the communication between the MA remote control and indoor unit is cut off for three consecutive minutes a MA communication error 6831 will occur 2 Confirmation of transmission specifications and waveform 1 2msec bit 5 must be satisfied 2 Voltage across terminal No 1 2 must be within range shown on left A1 B2 No polarity Across terminal No 1 2 Power supply 8 5V to 12VDC Transmissio...

Page 165: ...cted pressure sensor is faulty 3 Disconnect the pressure sensor from the MAIN board and check the pressure according to the LD1 display a If the pressure is 0 0 098MPa for low pressure on the LD1 display the affected pressure sensor is faulty b If the pressure is 4 15MPa for high pressure or higher the MAIN board is faulty 4 Disconnect the pressure sensor from the MAIN board and short out the No 2...

Page 166: ...n board and check the pressure that is displayed on LD1 a When the pressure that is displayed on LD1 is 0 0 098MPa The low pressure pressure sensor is defective b When the pressure that is displayed on LD1 is approximately 1 7MPa The main board is defective When the outdoor temperature is 30 C or less The main board is defective When the outdoor temperature is over 30 C Proceed to 5 4 Remove the l...

Page 167: ...e opens when powered Relay ON The valve is normally powered while No 2 Comp is being stopped When the discharge temperature of No 1 Comp exceeds 110 C the valve may be turned off To check whether the valve is open or closed check the change of the SV3 downstream piping temperature while the valve is being powered When the valve is open high temperature gas will run Do not touch the pipe when check...

Page 168: ...flow is as shown in the figure below In the case of cooling only or cooling main mode high tem perature high pressure flow is shown and in the case of heating only or heating main mode low tempera ture gas or liquid flow is shown Refer to the refrigerant circuit figure Turn on or off the solenoid valve depend ing on the indoor unit capacity or the outdoor temperature Check the LED monitor Remove t...

Page 169: ...ults and the electricity runs between where and where Do not touch the pipe when checking the temperature as the pipe on the oil separator side will be hot Do not give an impact from outside as the outer hull will be deformed leading to the malfunction of the inner valve 21S4b is P450 P650 only Solenoid valve block 1 Check valve block 2 Solenoid valve block 2 Check valve block 1 Orifice CV3a SV4a ...

Page 170: ...V8a CV10a CV9a CV5a CV4a CV2a CV6a CV7a TH7 TH6 TH5 SV4b SV4c SV4d Drier HEXb1 HEXf1 HEXf2 HEXf3 ST15 ST14 ST16 ST17 1 2 3 4 5 0 9 6 7 8 CV3a SV4a Check valve block1 Check valve block1 Solenoid valve block 1 Check valve block1 Orifice Refrigerant flow in the case of cooling Refrigerant flow in the case of heating High pressure gas High pressure liquid Low pressure gas liquid Refrigerant circuit fi...

Page 171: ...en phase or the opposite phase of the main power source however these malfunctions may occur when doing other service work or when the lead wire for the fan motor is intentionally replaced When the only one fan is running and the other fans are stopped check the 52F output state on the LED screen first and check the fan connector and 52F connector misconnection 52F failure or the lead wire disconn...

Page 172: ...or from the board and check the pressure Short circuit the connector pins between No 2 and 3 on the board and check the pressure Replace the pressure sensor which de tects less than 6MPa pressure with the pressure sensor which detects 6MPa or more pressure check the pressure and check whether the detected pressure is displayed normally Stop the applied BC controller system Compressor OFF Check P1 ...

Page 173: ... SC11 large SC16 small PHM large Symbol 63HS Measurement data Outdoor high pressure pressure 63LS Outdoor low pressure pressure P1 BC controller pressure liquid side P3 BC controller pressure intermediate part SW1 setting value 1 ON 2 3 4 5 6 7 8 9 10 1 ON 2 3 4 5 6 7 8 9 10 1 ON 2 3 4 5 6 7 8 9 10 1 ON 2 3 4 5 6 7 8 9 10 2 Temperature sensor Measure the temperature of the applied thermistor actua...

Page 174: ...10 1 ON 2 3 4 5 6 7 8 9 10 1 ON 2 3 4 5 6 7 8 9 10 1 ON 2 3 4 5 6 7 8 9 10 1 ON 2 3 4 5 6 7 8 9 10 1 ON 2 3 4 5 6 7 8 9 10 Note1 For the connectors on the board TH11 TH12 is CN10 and TH15 and TH16 is CN11 Disconnect the applied connector and check every number of the sensor Note2 and 3 1 Pull out the sensor connector from the I O board Do not pull the sensor with holding the lead wire 2 Measure th...

Page 175: ...sure SVA SVC OFF Check that SVA and SVC are OFF SVB ON Check that SVB is ON Check whether LEV3 is controlling superheat Check that SVA and SVC are ON Check that SVB is OFF No cooling capacity No heating capacity Fix the fault Check LEV1 Check LEV3 Check SVA and SVC Check SVB Completed Fault is found Check whether the electric expansion valve and the solenoid valve connector are not disconnected or...

Page 176: ...2 small SC11 small SH16 small branch pipe SC small BC controller sound Non cooling non heating SH12 small SC11 small SH16 large but branch pipe SC small BC controller sound PHM large Indoor heating SC small PHM large Non cooling Indoor heating SC small PHM large Operation mode Heating only Heating main Cooling main Heating only Heating main Heating only Heating main Cooling only Cooling main Cooli...

Page 177: ...LEV3 opening BC controller bypass outlet superheat BC controller intermediate part subcool SH12 SC16 BC controller liquid side subcool SC11 Self diagnosis monitor 1 ON 2 3 4 5 6 7 8 9 10 1 ON 2 3 4 5 6 7 8 9 10 1 ON 2 3 4 5 6 7 8 9 10 1 ON 2 3 4 5 6 7 8 9 10 1 ON 2 3 4 5 6 7 8 9 10 1 ON 2 3 4 5 6 7 8 9 10 1 ON 2 3 4 5 6 7 8 9 10 ...

Page 178: ...te red and orange brown and yellow and brown and blue and check that the resistance is 150 within 10 When LEV is fully closed tick sound When LEV is fully open no sound Check the above Connect the LED for check which is as shown in the right figure to the board connector and check that the LED keeps lights on for 10 seconds Replace LEV Completed OK Check that there is no valve leak in LEV Intermed...

Page 179: ...enoid valve coil Stop the operation Stop the operation Stop the operation of the applied BC remote controller system Use the remote controller to turn off Stop the unit with the remote controller Remove the solenoid valve connector and check that the electricity runs through the solenoid valve coil Turn on the remote controller with the connector of the applied solenoid valve is dis connected and ...

Page 180: ...n or off according to the operation mode 4 BC controller transformer SVA SVB SVC ON Cooling Branch end Mode OFF ON OFF Heating ON OFF OFF Stop OFF ON Cooling only OFF SVM1 Operation mode SVM2 Pressure difference control OFF or ON Cooling main OFF OFF Heating only Pressure difference control OFF or ON OFF Heating main Pressure difference control OFF or ON ON Defrost OFF OFF Stop OFF OFF OFF Defrost...

Page 181: ... 2 When the output is out of phase or remains ON con tinuously the motor cannot run smoothly but move jerkily and vibrates When the power is switched ON a 2200 pulse valve opening signal is output to make sure the valve s posi tion so that it is definitely at point A When the valve operates smoothly there is no sound from the LEV and no vibration occurs but when the valve is locked or E A it emits...

Page 182: ...e motor turns with no load and a small clicking sound is generated Generation of this sound when the LEV is fully closed or fully open is abnormal Measure the resistance between the coils red white red orange brown yellow brown blue using a tester They are normal if the resistance is within 150Ω 10 1 If you are checking the indoor unit s LEV operate the indoor unit s blower and the other indoor un...

Page 183: ...ransmission line or ex ternal connection wiring run close to another power supply system or run through the same conduct pipe Contact the factory for cases other than those listed above Error display failure condition Measure inspection item 1 2 3 4 5 8 9 Inverter related errors 4250 4255 4220 4225 4230 4235 4240 4245 4260 4265 5301 0403 5110 Main power breaker trip Main power earth leakage breake...

Page 184: ...ch carries the IPM drive sig nal has been disconnected Disconnect the compressor wir ing and check the compressor Meg and coil resistance Perform the following 1 Reconnect the connector re moved at item 1 2 Disconnect the compressor wir ing 3 Turn on SW1 1 on the INV board Operate the outdoor unit after above steps Check the in verter output voltage Measure when the inverter out put frequency is s...

Page 185: ...acement Replace the INV board IPM replacement Check the operation in 3 or 4 after replacing the IPM In the case of an output voltage un balance or error recurrence Replace the G A board In the case of an output voltage un balance or error recurrence after re placement Replace the INV board IPM replacement In the case of an output voltage un balance or error recurrence after re placement Replace th...

Page 186: ...edure for in dividual components of main inverter circuit a Diode Stack b IPM c Rush current protection resistor d Electromagnetic relay e DC reactor f Noise filter a There is a possibility that the wiring shorted momentarily Trace the short and repair b If a above is not the case there is a possi bility that there was a compressor failure A compressor ground fault can be consid ered Go to 2 2 3 T...

Page 187: ...ormally indicates plus Make sure that the resistance is not open Ω or not shorted to 0Ω For the resistance the margin of error is allowed The result that is more than double or half than the result that is measured at the same measurement point is not allowed Tester restriction Use the tester whose internal electrical power source is 1 5V or greater Use the dry battery powered tester The accurate ...

Page 188: ...lly after finishing other works For the wiring of the base for IPM observe the wiring diagram below carefully as it has many terminals 2 Coat the grease for radiation provided uniformly onto the radiation surface of IPM diode modules Coat the grease for radiation on the full surface in a thin layer and fix the module securely with the screw for fastening As the radiation grease attached on the wir...

Page 189: ...er source Outdoor unit Fuse 6 3A Fuse 10A Fuse 2A G A board 52C1 Solenoid valve 4 way valve Power supply for transmission line Power supply for centralized control TB3 Terminal block for transmission line DC24 30V Terminal block for power source MA remote controller terminal block Transmission terminal block DC17 30V Indoor unit M NET remote controller and MA remote controller can not be used toge...

Page 190: ...ource TB7 Terminal block for centralized control DC24 30V Control circuit board To next unit Indoor unit M NET remote controller MA remote controller TB3 Terminal block for transmission line DC24 30V mission line Non polar 2 wire line Terminal block for power source MA remote controller terminal block Transmission terminal block DC17 30V Indoor unit M NET remote controller and MA remote controller...

Page 191: ...1 and 2 and 1 and 3 of main board CNVCC1 Check voltage of outdoor unit power source terminal block TB1 Check fuse F02 on INV board Broken YES NO NO YES NO NO NO NO NO NO NO NO YES NO NO NO NO YES NO INV board G A board CNDC2 CNDC1 Check wiring inside outdoor unit G A board CNDC1 INV board CND2 42 52Ω Check voltage of TB3 by removing transmission line from TB3 Replaced Check whether power supply co...

Page 192: ... test run for all the indoor units under the cooling mode 1 To start a test run for all the indoor units turn on SW3 2 when SW3 1 on the outdoor unit main board is ON 2 Change the setting of the remote controller for all the indoor units to the cooling mode 3 Check that all the indoor units are performing a cooling operation 2 Check the values of Tc and SC16 To display the values on the LED screen...

Page 193: ...all valves BV1 and BV2 4 Collect the refrigerant that remains inside the outdoor unit Do not discharge refrigerant into air into the atmos phere when it is collected 5 Repair the leak 6 After repairing the leak perform evacuation of the extended pipe for the indoor unit and open the ball valves BV1 and BV2 to adjust refrigerant 4 Leak spot In the case of outdoor unit Heating season 1 Collect the r...

Page 194: ... as the oil rapidly absorbs moisture Note The drained oil cannot be recycled 5 After draining oil from the refrigerant and the drain oil plug remove the metal fitting 1 or the flare nuts 2 places that connect the compressor and the equal oil pipe and bend the equal oil pipe so as not to apply an excess force 6 Close the equal oil pipe attachment point with a cap to prevent the oil from leaking 7 R...

Page 195: ... for draining liquid Metal fitting2 Soundproof material 192 7 Collecting the Cooling Liquid from the Accumulator Only P450 P650 types 1 Perform evacuation inside the recovery cylinder 2 Connect the check joint for collecting liquid that is derived from the accumulator and the recovery cylinder with a connection pipe or hose that has predetermined withstand pressure Note When connecting the check j...

Page 196: ...onnection of the transmission line 2 Check the transformer 3 Check the address switch 2 When replacing the control board take special care to the following points 1 Check that the board type is G or GA 2 Check that the wire or the connector is not connected wrongly not disconnected or not loose Note It is not required to remove 2 fixing screws on the control box when checking the inside 1 Remove t...

Page 197: ... part pressure sensor CNP3 3 Attach a new pressure sensor to the place which is shown in the figure and insert the connector to the control board Note When the gas leaks from the pressure sensor fix the leakage and follow the instructions above if required 1 Remove the service panel Refer to 1 2 3 2 Replace the applied LEV Note Secure enough service space in the ceiling for welding operation and c...

Page 198: ... Remove the connector of the applied solenoid valve 3 Remove the solenoid valve coil 1 For the solenoid valve coil of SVA SVB and SVM1 2 service from the inspection door is possible For SVC however remove the rear panel 4 machine screws to replace the coil if enough service space is secured at the rear Only GA type for SVM1 and 2 Double pipe heat exchanger Solenoid valve 195 ...

Page 199: ...D By setting of DIP SW1 1 1 10 the unit operating condition can be observed with the service LED on the control circuit board For the relation of each DIP SW to the content see the table provided As shown in the figure below the LED consist of 7 segments is put in 4 sets side by side for numerical and graphic display 196 0 0 LED display 1 LED Monitor Display 1 How to read LED for service monitor A...

Page 200: ...ror history data and the error detection time are saved in the service memory The error detection time saved in the service memory and the current time can be confirmed with the service LEDs The date and time data is all set to 00 as the default If a system controller that sets the time in the outdoor unit such as the G50A is not connected the time and days elapsed from the first time the power wa...

Page 201: ...No 30 Unit No 31 Unit No 32 Unit No 1 Unit No 2 Unit No 3 Unit No 4 Unit No 5 Unit No 6 Unit No 7 Unit No 8 Unit No 9 Unit No 10 Unit No 11 Unit No 12 Unit No 13 Unit No 14 Unit No 15 Unit No 16 Unit No 17 Unit No 18 Unit No 19 Unit No 20 Unit No 21 Unit No 22 Unit No 23 Unit No 24 Unit No 25 Unit No 26 Unit No 27 Unit No 28 Unit No 29 Unit No 30 Unit No 31 Unit No 32 Relay output display 1 lighti...

Page 202: ...3 1000010000 34 0100010000 35 1100010000 36 0010010000 37 1010010000 38 0110010000 39 1110010000 40 0001010000 41 1001010000 42 0101010000 43 1101010000 44 0011010000 45 1011010000 46 0111010000 47 1111010000 48 0000110000 49 1000110000 50 0100110000 51 1100110000 52 0010110000 53 1010110000 54 0110110000 55 1110110000 56 0001110000 57 1001110000 58 0101110000 59 1101110000 Unit No 1 Unit No 2 Uni...

Page 203: ...100101000 84 0010101000 85 1010101000 86 0110101000 87 1110101000 88 0001101000 89 1001 0101101000 1101101000 101000 90 91 92 0011101000 93 1011101000 94 0111101000 95 1111101000 96 0000011000 97 1000011000 98 0100011000 99 1100011000 100 0010011000 101 1010011000 High pressure Low pressure Tc Te Target condensor temp Tc Target condensor temp Te All temporary frequency COMP1 control frequency COMP...

Page 204: ...B5 SVC5 SVA6 SVB6 SVC6 SVA7 SVB7 SVC7 SVA8 SVB8 SVC8 SVA1 SVB1 SVC1 SVA2 SVB2 SVC2 SVA3 SVB3 SVC3 SVA4 SVB4 SVC4 SVA5 SVB5 SVC5 SVA6 SVB6 SVC6 SVA7 SVB7 SVC7 SVA8 SVB8 SVC8 SVA9 SVB9 SVC9 SVA10 SVB10 SVC10 SVA11 SVB11 SVC11 SVA12 SVB12 SVC12 SVA13 SVB13 SVC13 SVA14 SVB14 SVC14 SVA15 SVB15 SVC15 SVA16 SVB16 SVC16 Remarks 138 0101000100 139 1101000100 140 0011000100 141 1011000100 142 0111000100 143...

Page 205: ...100010100 164 0010010100 165 1010010100 166 0110010100 167 1110010100 168 0001010100 169 1001010100 170 0101010100 171 1101010100 172 0011010100 173 1011010100 174 0111010100 175 1111010100 176 0000110100 177 1000110100 178 0100110100 179 1100110100 180 0010110100 181 1010110100 182 0110110100 183 1110110100 184 0001110100 185 1001110100 186 0101110100 187 1101110100 188 0011110100 189 1011110100 ...

Page 206: ...010001100 197 1010001 0110001100 1110001100 100 198 199 200 0001001100 201 1001001100 202 0101001100 203 1101001100 204 0011001100 205 1011001100 206 0111001100 207 1111001100 208 0000101100 209 1000101100 210 0100101100 211 1100101100 212 0010101100 213 1010101100 214 0110101100 215 1110101100 216 0001101100 217 1001101100 218 0101101100 219 1101101100 220 0011101100 221 1011101100 222 0111101100...

Page 207: ...11100 256 0000000010 257 1000000010 258 0100000010 259 1100000010 260 0010000010 261 1010000010 262 0110000010 263 1110000010 THHS1 99 9 999 9 THHS5 99 9 999 9 264 0001000010 265 1001000010 266 0101000010 267 1101000010 268 0011000010 269 1011000010 270 0111000010 0000 9999 Control data Hz Fan inverter output Control data Frequency that is output from inverter Hz The unit is C The unit is kgf cm2 ...

Page 208: ... 300 0011010010 301 1011010010 302 0111010010 303 1111010010 304 0000110010 305 1000110010 306 0100110010 307 1100110010 Peak value A 99 9 999 9 99 9 999 9 0000 9999 Number of fans being used COMP1 operation current DC 308 0010110010 The unit is V The unit is h Count up when starting up Time 0000 9999 0000 9999 COMP1 bus voltage Compressor 1 opera tin time upper 4 digits Compressor 1 opera tin tim...

Page 209: ...0 344 0001101010 345 1001101010 346 0101101010 347 1101101010 348 0011101010 349 1011101010 350 0111101010 351 1111101010 352 0000011010 Displayed alternately every 5 seconds IC1 Address Capacity code IC2 Address Capacity code 309 1010110010 The unit is C The unit is C The unit is kgf cm2 LEV1 opening Fully open 2000 LEV3 opening Fully open 2000 LEV3a opening Fully open 2000 LEV3a opening Fully op...

Page 210: ...93 1001000110 394 01010001 395 1101000110 10 Displayed alternately every 5 seconds IC3 Address Capacity code IC4 Address Capacity code IC5 Address Capacity code IC6 Address Capacity code IC7 Address Capacity code IC8 Address Capacity code IC9 Address Capacity code IC10 Address Capacity code IC11 Address Capacity code IC12 Address Capacity code IC13 Address Capacity code IC14 Address Capacity code ...

Page 211: ...435 1100110110 436 0010110110 437 1010110110 438 0110110110 The unit is C IC1 Suction temperature IC2 Suction temperature 99 9 999 9 IC3 Suction temperature IC4 Suction temperature IC5 Suction temperature IC6 Suction temperature IC7 Suction temperature IC8 Suction temperature IC9 Suction temperature IC10 Suction temperature IC11 Suction temperature IC12 Suction temperature IC13 Suction temperature...

Page 212: ...d pipe temp IC21 Liquid pipe temp IC22 Liquid pipe temp IC23 Liquid pipe temp IC24 Liquid pipe temp 99 9 999 9 99 9 999 9 440 0001110110 441 1001110110 442 0101110110 443 1101110110 444 0011110110 445 1011110110 446 0111110110 447 1111110110 448 0000001110 449 1000001110 450 0100001110 451 1100001110 452 0010001110 453 1010001110 454 0110001110 455 1110001110 456 0001001110 457 1001001110 458 0101...

Page 213: ... LD3 LD4 LD5 LD6 LD7 LD8 Remarks The unit is C Refer to LED display at initial setting 99 9 999 9 IC1 Gas pipe temp IC2 Gas pipe temp The unit is C 99 9 999 9 482 0100011110 483 1100011110 484 0010011110 485 1010011110 486 0110011110 487 1110011110 488 0001011110 489 1001011110 490 0101011110 491 1101011110 492 0011011110 493 1011011110 494 0111011110 495 1111011110 496 0000111110 497 1000111110 4...

Page 214: ...s pipe temp The unit is C 99 9 999 9 SW1 LED No 1234567890 Item LD1 LD2 LD3 LD4 LD5 LD6 LD7 LD8 Remarks 525 1011000001 526 0111000001 527 1111000001 528 0000100001 529 530 0100100001 531 1100100001 532 0010100001 533 1010100001 534 0110100001 535 1110100001 536 0001100001 537 1001100001 538 0101100001 539 1101100001 540 0011100001 541 1011100001 542 0111100001 543 1111100001 544 0000010001 545 100...

Page 215: ... 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 0101 1101110001 0011110001 1011110001 0111110001 1111110001 0000001001 1000001001 0100001001 1100001001 0010001001 1010001001 0110001001 1110001001 0001001001 1001001001 0101001001 1101001001 0011001001 1011001001 0111001001 1111001001 0000101001 1000101001 0100101001 110010...

Page 216: ...0011001 0001011001 1001011001 0101011001 1101011001 0011011001 1100011001 621 622 623 624 625 626 627 628 629 620 0111011001 1111011001 0000111001 1000111001 0100111001 1100111001 0010111001 1010111001 0110111001 1011011001 631 632 633 634 635 636 637 638 639 630 0001111001 1001111001 0101111001 1101111001 0011111001 1011111001 0111111001 1111111001 0000000101 1110111001 641 642 643 644 645 646 64...

Page 217: ...0 00 99 99 FAN board S W version 0 00 99 99 SW1 LED No 1234567890 Item LD1 LD2 LD3 LD4 LD5 LD6 LD7 LD8 Remarks 661 662 663 664 665 666 667 668 669 660 0110100101 1110100101 0001100101 1001100101 0101100101 1101100101 0011100101 1011100101 0111100101 1010100101 671 672 673 674 675 676 677 678 679 670 0000010101 1000010101 0100010101 1100010101 0010010101 1010010101 0110010101 1110010101 0001010101 ...

Page 218: ...s IC17 LEV opening pulses IC18 LEV opening pulses IC19 LEV opening pulses IC20 LEV opening pulses IC21 LEV opening pulses IC22 LEV opening pulses IC23 LEV opening pulses IC24 LEV opening pulses Fully open 2000 00 00 99 12 1 31 00 00 23 59 00 00 99 12 1 31 SW1 LED No 1234567890 Item LD1 LD2 LD3 LD4 LD5 LD6 LD7 LD8 Remarks 701 702 703 704 705 706 707 708 709 700 0111110101 1111110101 0000001101 1000...

Page 219: ...ses IC32 LEV opening pulses SW1 LED No 1234567890 Item LD1 LD2 LD3 LD4 LD5 LD6 LD7 LD8 Remarks 738 0100011101 1100011101 739 0010011101 741 742 743 744 745 746 747 748 749 740 0110011101 1110011101 0001011101 1001011101 0101011101 1101011101 0011011101 1011011101 0111011101 750 1111011101 751 0000111101 752 1000111101 753 0100111101 754 1100111101 755 0010111101 756 1010111101 757 0110111101 758 1...

Page 220: ...1 LED No 1234567890 Item LD1 LD2 LD3 LD4 LD5 LD6 LD7 LD8 Remarks 790 1110100011 791 0001100011 792 1001100011 793 0101100011 794 1101100011 795 0011100011 796 1011100011 797 0111100011 798 1111100011 799 0000010011 800 1000010011 801 0100010011 802 1100010011 803 0010010011 804 1010010011 805 0110010011 806 1110010011 807 0001010011 808 1001010011 809 0101010011 810 1101010011 811 0011010011 812 1...

Page 221: ...32 1000011011 833 0100011011 834 1100011011 835 0010011011 836 1010011011 837 0110011011 838 1110011011 839 0001011011 840 1001011011 841 0101011011 842 1101011011 843 0011011011 844 1011011011 845 0111001001 846 1111001011 847 0000101011 848 1000101011 849 0100101011 850 1100101011 851 0010101011 852 1010101011 853 0110101011 854 1110101011 855 0001101011 856 1001101011 857 0101101011 858 1101101...

Page 222: ...011011 873 0101011011 874 1101011011 875 0011011011 876 1011011011 877 0111011011 878 1111011011 879 0000111011 880 1000111011 881 0100111011 882 1100111011 883 0010111011 884 1010111011 885 0110111011 886 1110111011 887 0001111011 888 1001111011 889 0101111011 890 1101111011 891 0011111011 892 1011111011 893 0111111011 894 1111111011 895 0000000111 896 1000000111 897 0100000111 898 1100000111 899...

Page 223: ... 220 SW1 LED No 1234567890 Item LD1 LD2 LD3 LD4 LD5 LD6 LD7 LD8 Remarks 1101000111 907 0011111111 1020 1011111111 1021 1023 0111111111 1022 1111111111 ...

Page 224: ...M A PURY P450 P500 P550 P600 P650YGM A Issued in Sep 2004 HWE04020 Printed in Japan New publication effective Sep 2004 Specifications subject to change without notice HEAD OFFICE MITSUBISHI DENKI BLDG 2 2 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN ...

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